42045026034661 has 16 divisors (see below), whose sum is σ = 45617651509248. Its totient is φ = 38520840355200.

The previous prime is 42045026034607. The next prime is 42045026034701. The reversal of 42045026034661 is 16643062054024.

It is a cyclic number.

It is not a de Polignac number, because 42045026034661 - 2¹³ = 42045026026469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42045026034161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8275476 + ... + 12352066.

It is an arithmetic number, because the mean of its divisors is an integer number (2851103219328).

Almost surely, 2^{42045026034661} is an apocalyptic number.

It is an amenable number.

42045026034661 is a deficient number, since it is larger than the sum of its proper divisors (3572625474587).

42045026034661 is a wasteful number, since it uses less digits than its factorization.

42045026034661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4082532.

The product of its (nonzero) digits is 829440, while the sum is 43.

Adding to 42045026034661 its reverse (16643062054024), we get a palindrome (58688088088685).

The spelling of 42045026034661 in words is "forty-two trillion, forty-five billion, twenty-six million, thirty-four thousand, six hundred sixty-one".